On 10/18/2013 04:26 AM, Hiroshi Doyu wrote: > Create a header file to define the swgroup IDs used by the IOMMU(SMMU) > binding. "swgroups" is a group of H/W clients which Tegra SoCs > support. This unique ID can be used to calculate MC_SMMU_<swgroup > name>_ASID_0 register offset and MC_<swgroup name>_HOTRESET_*_0 > register bit. This will allow the same header to be used by both > device tree files, and drivers implementing this binding, which > guarantees that the two stay in sync. This also makes device trees > more readable by using names instead of magic numbers.
> diff --git a/include/dt-bindings/memory/tegra-swgroup.h > b/include/dt-bindings/memory/tegra-swgroup.h > +#define TEGRA_SWGROUP_PPCS2 32 /* 0xab0 */ > + > +#define TEGRA_SWGROUP_BIT(x) (1ULL << TEGRA_SWGROUP_##x) Isn't the DT match all 32-bit, such that the ULL suffix does nothing, and TEGRA_SWGROUP_BIT(PPCS2) == 1<<32 == fail? _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
